1·The main contents of this thesis are the aseismatic performance and design theory of steel reinforced concrete structures and unbonded prestressed concrete structures.
本文的主要研究内容是型钢混凝土结构和无粘结预应力混凝土结构的抗震性能和设计理论。
2·Compared with normal prestressed concrete, unbonded partially prestressed concrete has a lot of advantages, it is used extensively in highway and railway bridge engineering.
无粘结部分预应力混凝土同普通预应力混凝土相比具有很多有优点，在公路和铁路桥梁工程中得到广泛应用。
3·Based on the method, a simple formula calculating, the ultimate strength of unbonded prestress tendons was deduced.
根据这种方法推导出简便的无粘结预应力筋极限应力计算公式。
4·This paper presents the application of unbonded prestressed concrete technique to cylindrical shell with big diameter through an engineering case.
通过工程实例，介绍无粘结预应力混凝土技术在大直径圆柱壳中的应用。
5·In this paper, the genetic algorithm-neural network model is used to predict the ductility of unbonded partially prestressed concrete beam with high strength.
尝试利用遗传-神经网络模型，对无粘结部分预应力高强混凝土梁的延性进行预报。